// path menu

nav#full {
    position: relative;
    margin-left: 50%;
}

nav#arc  {
    position:fixed;
    bottom: 2px;
    left: 30px;
    background:#F00;
    transition: 200ms bottom ease-out;
-moz-transition: 200ms bottom ease-out;
-o-transition: 200ms bottom ease-out;
-ie-transition: 200ms bottom ease-out;
-webkit-transition: 200ms bottom ease-out;

    // 主按钮
	& > a {
	    position: absolute;
	    width: 40px;
	    height: 40px;
	    bottom: 10px;
	    left: -30px;
	    z-index: 2;
	    text-align:center;
	    line-height:30px;
	    color:#FFF;
	    text-decoration:none;
		padding: 20px 20px 0 0;
	}
	ul{
	    padding:0;
	    margin:0;
	    list-style-type:none;
		li {
		    position:absolute;
		    left:-16px;
		    top:-16px;
			a {
			    font-size: 18px;
			    font-weight:normal;
			    border: 0px solid #FFF;
			    width: 27px;
			    height: 27px;
			    background:rgba(0,0,0, .5);
			    position: absolute;
			    top:0;
			    left:0;
			    overflow:hidden;
			    border-radius:26px;
			    line-height: 24px;
			    text-align: center;
			    text-decoration:none;
    	
			}
    		img{
		    	width:100%;
		    }
		}
	}
}


